h1,h2,h3,h4,h5,h6,body,p,ul,form,dl,dd,dt{
  padding: 0;
  margin: 0;
}
a,a:visited{
  text-decoration: none;
  color: #000;
}
ul,ol,li{
  list-style:none;
}
img{
  display: block;
  border: none;
}
body{
  min-width: 320px;
  max-width: 100%;
  overflow-x: hidden;
  font-family: Arial, "Microsoft Yahei", "Helvetica Neue", Helvetica, sans-serif;
  font-size: 14px;
}
.list-tools {
  padding: 10px;
}
.list-tab {
  width: 100%;
  height: 70vh;
}
.list-tab .tab-page {
  padding: 10px;
}
.list-tools .lab {
  font-size: 12px;
  color: #666;
}
:root{
  --du-main-color: #000;
  color: var(--du-main-color);
}